Regulator for alternating series arc-light systems.



No. 7l2.522. Patented Nov. 4, I902.

J. H. HALLBERG. v

REGULATOR FOR ALTEBNATING SERIES ARC LIGHT SYSTEMS.

(Application filed Jan 29 1902.,

(lo Iodel.)

WITNESSES: INVENTOR 3*. 01mm 22/, J v amf UNITED STATES PATENT OFFICE.

JO SEF HENRIK HALLBERG, OF NEWV YORK, N. Y., ASSIGNOR TO GENERALINCANDESCENT ARC LIGHT COMPANY, OF NE\V YORK, N. Y., A CORPO- RATION.

REGULATOR FOR ALTERNATING SERIES ARC-L IGHT SYSTEMS.

JPECIFICATION forming part of Letters Patent No. 712,522, dated November4, 1902.

Application filed January 29, 1902. Serial No. 91,734. (No model.)

T to whom it may concern: former 18 is connected through one terminal Beit known that I, JOSEF HENRIK HALL- 19 to the solenoid S and arranged tohave its BERG, a citizen of the United States, residing coil, which isdivided into sections a, b, 0, (Z, at New York city, county and State ofNew e,f', and(,connected through contact-brushes York, have inventedcertain new and useful 21 22 to the opposite terminal of the solenoid 8.55

Improvements in Regulators for Alternating Depending from the core 9 isa rod 24, car- Series Arc-Light Systems, of which the followrying theadjustable fingers25 26. The rod ing is a specification. 24 is movablein the guide 27. 28 is a rod My invention relates to a device adaptedmovable in the guide 29, and surrounding [O to be connected in serieswith a number of this rod are the ring-clutches 30 31. Under arc-lampsand the secondary coil of an alterthe ring-clutch 3i and between it andthe hating-current transformer and which has guide is a spring 32. is achoking-coil. for its purpose to maintain the current on 34 representslamps in the lampcircuit, the line constant irrespective of the numberwhich is connected to the upper terminals 9.

15 of lamps in operation. The operation of the device is as follows:

A further object of my invention is to pro- When the device is cutintothe main circuit, vide a device for automatically changing the thesolenoids 8 attract the core 9, thereby ratio of the currenttransformation, whereby lifting the rod 24 and the adjustable fingersthe power factorof the system will be main- 25 and 26. hen theresistance in the lamp- 20 tained practically constant from zero to fullcircuit is decreased by cuttinglamps out, furload. ther motion of thecore upward takes place,

A further object of my invention is to dewhich has the effect ofintroducing an imcrease the size and cost of the regulator repedanceupon thelamp-circuit corresponding quired to maintain the currentconstant in a to the lamps cut out. As the lamps are cut 25 systeminvolving a definite number of curout of circuit the core continues torise unrent-consuming devices. til the finger 25 coacts with thering-clutch The accompanying drawing, which is aview l 30, surroundingthe rod 28. It now further partiallyin elevation and partiallya diagram,lamps are cut out of circuit, the rod 28 is will serve to illustrate myinvention and the raised, causing the brushes 21 22 to lap the 30circuit connections. v terminals of the coils fg, cutting out such Inthe drawing, 5 represents a suitable incoils. As further movement takesplace the closing casing with a removable cover 6. The, brushes 21 22advance gradually, lapping interior of the casing is adapted to be par-.successive contacts a b c d e and cutting out tially filled with a bodyof oil 7 or other inthese coils until the limit of movement of the 35sulating fluid. Located within the casing, core has been reached. If newthe lamps are 8 and suitably supported therein in any conagain out intocircuit, the rod 24 moves downvenient manner, are a pair of solenoidalmagward and with it the finger 25, which trips nets 8. Arranged to havea vertical motion the clutch 30 and allows the rod 28 to feed in suchmagnets is a core 9. downward, as in the manner of an upper car- 0 10represents a float connected to the core, bon in an arc-lamp. Thismotion is con- 9 through the rod 11, and mounted over the tinned untilthe finger 26 strikes the clutch float is an adjustable weight 12. 31,which releases the rod and allows it to 13 represents a disk of wood orother matedrop to the position shown in the figure. rial, which servesas a dash-pot and in which It will be understood that by reason of the45 is a gravitally-acting relief-valve 14. division of the secondarycoil of the tran. 5

Located in the bottom of the casing 5 is a former the ratio ofconversion will be in protransformer 15. The primary of the transportionto the work in the lamp-circuit.

- former 16 is connected to the main line, By means of the adjustableweight 12t'. 6.,

which in turn is connected to the alternating by increasing ordecreasing this weight-the 5o generator 17. The secondary of thetransinitial position of the core 9 relative to the loo solenoid 8 canbe determined and the current strength at which the regulator will comeinto operation regulated.

Having thus described my invention, I claim 1. A regulator foralternating series arelight systems, comprising a device responsive toany increase of current upon the line within predetermined limits, andwhich will act when energized to introduce an impedance upon the lineproportional to any decrease in load upon such line, and means forautomatically hanging the ratio of the current transformation throughsaid device, whereby the power factorof the system will be maintainedpractically constant from zero to full load.

2. A regulator for alternating series arelight systems, comprising adevice reponsive to any increase of current upon the line withinpredetermined limits, and which when energized will introduce animpedance upon the line proportional to any decrease in load upon suchline, a transforming device introduced between said first-named deviceand the main source of energy, and means actuated by said first-nameddevice which will change the ratio of current.- transformation throughthe transformer in proportion to the decrease in load in thetranslation-circuit which the first-named device is designed toregulate.

3. A regulator for alternating series arelight systems, comprising acase containing a body of oil, a pair of solenoids having a fixedposition in such case, a core for saidsolenoids, a buoyant device forovercoming the weight of the core, means for regulating the positionofthe core in the solenoids, a current-transforming device, and meansactuated by the core for determining the active portion of saidtransforming device.

4:. A regulator for alternating series arclight systems, comprising acase containing a body of oil, a pair of solenoids having a fixedposition in such case, a device'buoyant in said body of oil, a core forsaid solenoids carried by said buoyant device, a transformer having itssecondary coil divided into sections, and means carried by said core forprogressively cutting said transformer-sections out of circuit.

5. A regulator for alternating series arclight systems, comprising apair of coacting elements, one element fixed and the other movable, atransformer having its secondary divided into a series of sections, andmeans energized by the movement of the movable element for progressivelychanging the ratio of transformation from the transformer tothe fixedelement.

In testimony whereof I affix my signature in the presence of twowitnesses.

J OSEF HENRIK HALLBERG. Witnesses:

J. E. PEARSON, O. E. STECHER.

Correction in Letters Patent No. 712,522.

It is hereby certified that in Letters Patent No. 712,522, grantedNovember 4, 1902, upon the application of Josef Henrik Hallberg, of NewYork, N. Y., for an improvement in Regulators for Alternating SeriesArc-Light Systems, an error appears in the printed specificationrequiring correction, as follows: In line 13, page 2, the word hangingshould read changing; and that the said Letters Patent should be readwith this correction therein that the same may conform to the record ofthe case in the Patent Ofiice.

Signed and sealed this 18th day of November, A. D., 1902.

F. I. ALLEN, Commissioner of Patents.

[SEAL] Correction in Letters Patent No 712,522.

It is hereby certified that in Letters Patent No. 712,522, grantedNovember 4, 1902,

upon the application of Josef Henrik Hallberg, of New York, N. Y., foran improvement in Regulators for Alternating Series Arc-Light Systems,an error appears in the printed specification requiring correction, asfollows: In line 13, page 2, the word hanging should read changing; andthat the said Letters Patent should be read with this correction thereinthat the same may conform to the Patent Office.

Signed and sealed this 18th day of November, A.

the record of the case in F. I. ALLEN, Commissioner of Patents.

[SEAL]

